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As you suck on the straw air is removed from the inside of the straw and the air pressure within the straw is reduced. Once the straw's air pressure is reduced past atmospheric pressure of about 760 mmHg, the Patm forces the drink up the straw and into the sucker's mouth. Gases move from high to low pressure areas until equilibrium is reached.

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Q: Why does a soft drink rises when sucked with a straw?
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Related questions

When you drink a soft drink with the help of a straw what forces the liquid up the straw?

Suction.


What is the difference between a milkshake straw and a soft drink straw?

Milkshake straws are larger in diameter than soft drink straws. Since milkshakes are thick, they are very hard to drink with a small straw, thus the increased diameter of the straw makes it easier to drink.


When a person drinks a soft drink through a straw where does the force came from that causes the soft drink to move upward?

Atmospheric pressure


When you drink soft drinks using a straw the soft drinks moves upward is it because of surface tension?

because of density and the fact that the bicarbonate is bubbling.-mostly when you shake or refill it


How much is a soft drink?

A soft drink is $20.


Is pineapple a soft drink?

Yes pineapple is a soft drink


Is coke a soft drink?

Yes coke is a soft drink


How to take care of mother mice and their babys?

give them plenty to drink and some soft pillow stuffing or straw they will be fine and make shure they have a big enough space to crawl around in


Is ice tea a soft drink?

Ice tea is a soft drink.


Temperature rises solids generally become more soluble in water but gases become less soluble If a soft drink contains high concentrations of sugar and carbon dioxide what may be?

As temperature rises, solids generally become more soluble in water, but gases become less soluble. If a soft drink contains high concentrations of sugar and carbon dioxide, which of the following may be expected to happen if it is cooled down?


Is soda the only soft drink?

No, a soft drink usually means any drink that does not contain alcohol.


When temperature rises on a soft drink containing high concentration of sugar and carbon dioxide what will happen if it is cooled down?

no more exam questions. http://wiki.answers.com/Q/When_temperature_rises_on_a_soft_drink_containing_high_concentration_of_sugar_and_carbon_dioxide_what_will_happen_if_it_is_cooled_down"